The rate constant of a chemical reaction increases by increasing the None of these Reactant's concentration Temperature Pressure TRUE ANSWER : ? YOUR ANSWER : ?
The knowledge of initial concentration and rate constant is necessary to determine the half life time of a reaction of __________ order. None of these First Second Zero TRUE ANSWER : ? YOUR ANSWER : ?
For reaction, P + 2 → 3R, molar rate of consumption of P is Double of that of Q 2/3rd of that of Q Same as that of Q Half of that of Q TRUE ANSWER : ? YOUR ANSWER : ?
If CA is the quantity of reactants initially present, the quantity left after 'n' half periods will be equal to (CA)1/2n (CA)n (CA)1/n (1/2)n.CA TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not a unit of reaction rate? None of these Moles for med/(surface of catalyst) (time) Moles formed/volume of reactor) (time) Mole formed/volume of catalyst) (time) TRUE ANSWER : ? YOUR ANSWER : ?
The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are Mostly irreversible Always irreversible Highly temperature sensitive Insensitive to temperature changes TRUE ANSWER : ? YOUR ANSWER : ?
The optimum performance for reactors operating in parallel is obtained when the feed stream is distributed in such a way, that the Larger reactors have more space time compared to smaller ones Space time for each parallel line is same None of these Space time for parallel lines is different TRUE ANSWER : ? YOUR ANSWER : ?
The space time is equivalent to the holding time in a steady state mixed reactor for Non-isothermal gas reaction Variable fluid density systems Gas reactions with changing no. of moles Constant fluid density systems TRUE ANSWER : ? YOUR ANSWER : ?
Non-catalytic fluid-solid reactions are represented by __________ model. Unreacted core Continuous reaction Both A and B Neither A and B TRUE ANSWER : ? YOUR ANSWER : ?
For the non catalytic reaction of particles with surrounding fluid, the same needed to achive the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the __________ is the controlling resistance. Either A, B or C Chemical reaction Diffusion through ash layer Film diffusion TRUE ANSWER : ? YOUR ANSWER : ?